// Notes:
// - json2.js is not needed if browser supports JSON.stringify and JSON.parse natively
// - jQuery is only used to place the results

var formatJson = function(json, options) {
      var reg = null,
        formatted = '',
        pad = 0,
        PADDING = '    '; // one can also use '\t' or a different number of spaces

      // optional settings
      options = options || {};
      // remove newline where '{' or '[' follows ':'
      options.newlineAfterColonIfBeforeBraceOrBracket = (options.newlineAfterColonIfBeforeBraceOrBracket === true) ? true : false;
      // use a space after a colon
      options.spaceAfterColon = (options.spaceAfterColon === false) ? false : true;
      
      // begin formatting...

      // make sure we start with the JSON as a string
      if (typeof json !== 'string') {
        json = JSON.stringify(json);
      }
      // parse and stringify in order to remove extra whitespace
      json = JSON.parse(json);
      json = JSON.stringify(json);

      // add newline before and after curly braces
      reg = /([\{\}])/g;
      json = json.replace(reg, '\r\n$1\r\n');

      // add newline before and after square brackets
      reg = /([\[\]])/g;
      json = json.replace(reg, '\r\n$1\r\n');
      
      // add newline after comma
      reg = /(\,)/g;
      json = json.replace(reg, '$1\r\n');
      
      // remove multiple newlines
      reg = /(\r\n\r\n)/g;
      json = json.replace(reg, '\r\n');
      
      // remove newlines before commas
      reg = /\r\n\,/g;
      json = json.replace(reg, ',');

      // optional formatting...
      if (!options.newlineAfterColonIfBeforeBraceOrBracket) {     
        reg = /\:\r\n\{/g;
        json = json.replace(reg, ':{');
        reg = /\:\r\n\[/g;
        json = json.replace(reg, ':[');
      }
      if (options.spaceAfterColon) {      
        reg = /\:/g;
        json = json.replace(reg, ': ');
      }

      $.each(json.split('\r\n'), function(index, node) {
        var i = 0,
          indent = 0,
          padding = '';
        
        if (node.match(/\{$/) || node.match(/\[$/)) {
          indent = 1;
        } else if (node.match(/\}/) || node.match(/\]/)) {
          if (pad !== 0) {
            pad -= 1;
          }
        } else {
          indent = 0;
        }
      
        for (i = 0; i < pad; i++) {
          padding += PADDING;
        }
      
        formatted += padding + node + '\r\n';
        pad += indent;
      });
      
      return formatted;
};